Enhanced extraction of patchouli alcohol from Pogostemon cablin by microwave radiation-accelerated ionic liquid pretreatment.

Ling Fan, Ronghua Jin, Yinghu Liu, Min An, Shi Chen

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

A microwave radiation-accelerated ionic liquid pretreatment (MRAILP) was developed to enhance extractionof patchouli alcohol from Pogostemon cablin. 1-N-butyl-3-methylimidazolium chloride ([C4mim]Cl)was selected as microwave absorbing and cellulose dissolution medium and microwave was appliedto accelerate sample dissolution. The conditions of MRAILP including particle size, solvent, microwavepretreatment time and power and the ratio of ionic liquid (IL) to sample were optimized. Under the optimizedconditions, the extraction yield of patchouli alcohol by the MRAILP was 1.94%, which has increasedby 166% compared with microwave-assisted extraction. The recovery was in the range of 95.71'103.7%with relative standard deviation lower than 3.0%. It was a novel alternative extraction method for thefast extraction and determination of patchouli alcohol from Pogostemon cablin.
Original languageEnglish
Pages (from-to)3653-3657
Number of pages5
JournalJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
Volume879
Issue number30
DOIs
Publication statusPublished - Nov 2011

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